133 PRODUCTS
1331 General
Glass shall generally be free from bubbles, specks and other imperfection.
1332 Transparent glass
13321 Sheet glass
Transparent glass shall be clear, transmitting light and capable of distinctly showing objects through.
Transparent glass for ordinary purposes shall be clear, but may be coloured or tinted for special purposes.
The Quality of glass for general purposes shall be "Ordinary glazing Quality (O.Q). Selected glazing Quality (S.Q) and Special Selected Quality (S.S.Q) glass may be used for high grade work requiring fine & superfine work respectively.
Dostları ilə paylaş: | 
